claude-skills: what it is & alternatives

by wendylabsinc · Claude Skill · ★ 62

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Security audit verdict: SAFE · quality 59/100

None of the 42 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against 42 published rules built on the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →

The quality score combines nine heuristic checks of the repo and its README: completeness, clarity, specificity, examples, structure, agent readiness, step-by-step content, instruction quality and security notes. It rates how well the project explains itself to an agent, not the code.

Quick Facts

Stars62
Forks4
LanguageSwift
CategoryClaude Skill
Quality Score59/100
Open Issues1
Last Updated2026-09-23
Created2026-01-21
Platformsclaude-code
Est. Tokens~15k

About claude-skills

Swift Server Skills & Linting A collection of Claude skills for guidance on Swift (Server) development, along with a linting tool that enforces best practices. The Technique Claude, as any LLM (or Human) makes mistakes. When Claude makes a mistake, most people have one of two reactions: Tell Claude it sucks, and let it try again. Open up some social media, and vent about how Claude sucks.

Compatible Skills

These tools work well together with claude-skills for enhanced workflows:

  • claude-code-apple-skills — semantic(1.00)+same_lang+similar_pop+shared_platform (55%)
  • Claude-Zeroclaw — semantic(0.26)+complementary+similar_pop+shared_platform (49%)
  • Agentic-SEO-Skill — semantic(0.20)+complementary+similar_pop+shared_platform (47%)
  • subtask — semantic(0.33)+complementary+similar_pop+shared_platform (47%)

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How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 42 published rules, covering credential harvesting, data exfiltration, curl | sh installers and more. It is a first-layer scan, not a manual audit — we say so rather than overstate it.

The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.

Sources & who's responsible:

View on GitHub → Browse Claude Skill tools